package interceptor;

import constant.Constant;
import entity.User;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class CheckLoginInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        HttpSession session=request.getSession();

        User user=(User) session.getAttribute(Constant.UserAuthorization.SESSION_AUTHORIZATION_PARAM);

        if(user==null){

            response.sendRedirect(request.getContextPath()+"/user/showLogin");

            return false;
        }


        return true;
    }
}
